#XSPEC version: 12.9.1 #Build Date/Time: Thu Apr 20 23:34:29 2017 # !XSPEC12>show; # #XSPEC version: 12.9.1 # #Wed May 30 17:09:00 2018 # Auto-saving is done after every command. # Fit statistic in use: Chi-Squared # Minimization technique: Levenberg-Marquardt # Convergence criterion = 0.01 # Parameter fit deltas: 0.01 * parValue # Always calculate parameter derivatives using full (slower) numerical differentiation: No # Querying disabled - will not continue fitting. # Prefit-renorming enabled. # Solar abundance table: angr # Photoionization Cross-Section Table: # bcmc: Balucinska-Church and McCammon, 1998 # Cosmology in use: H0 = 70 q0 = 0 Lambda0 = 0.73 # Model data directory: /local/data/bat1/alien/heasoft_amytest_version/x86_64-unknown-linux-gnu-libc2.12/../spectral/manager/../modelData/ # Plot settings: # Showing of individual additive components is OFF. # Showing of background spectra is OFF. # Effective area normalization is OFF. # Current unit settings: # Energy = keV # Wavelength = angstrom, with Y-Axis displayed per Hz # X-Axis data display mode: Energy # Spectra plots will be shifted to source frame by redshift value z: 0 # Device: /null # Plotting of line IDs is OFF. # Splashpage is ON. # xlog for data plots is ON. # ylog for data plots is OFF. # # Default plot rebin settings for all plot groups: # Min. Signif. Max. # Bins Error Type # 0.00000 1 quad # # Responses read: # /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger820513/remake_spec_cflux/spec_1speak/sw00820513000b_1speak.rsp associated with spectrum 1 source 1 # energies: 204 channels: 80 # Distinct RMF files: # /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger820513/remake_spec_cflux/spec_1speak/sw00820513000b_1speak.rsp # #1 file 1 spectrum #Spectrum 1 Spectral Data File: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger820513/00820513000-results/pha/sw00820513000b_peak.pha #Net count rate (cts/s) for Spectrum:1 3.350e-01 +/- 2.254e-02 # Assigned to Data Group 1 and Plot Group 1 # Noticed Channels: 4-62 # Telescope: SWIFT Instrument: BAT Channel Type: PI # Exposure Time: 1 sec # Using fit statistic: chi # Using test statistic: chi # Using Response (RMF) File /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger820513/remake_spec_cflux/spec_1speak/sw00820513000b_1speak.rsp for Source 1 # # Spectral data counts: 0.335025 # Model predicted rate: 0.235030 # # #Current model list: # #======================================================================== #Model cpflux<1>*ngrbep<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cpflux Emin keV 100.000 frozen # 2 1 cpflux Emax keV 150.000 frozen # 3 1 cpflux Flux 0.107210 +/- 0.149310 # 4 2 ngrbep alpha -1.66112 +/- 0.704719 # 5 2 ngrbep beta -7.75257 +/- 9.22251E+13 # 6 2 ngrbep epeak keV 54.8174 +/- 109.081 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # Using energies from responses. # #Fit statistic : Chi-Squared = 81.95 using 59 PHA bins. # #Test statistic : Chi-Squared = 81.95 using 59 PHA bins. # Reduced chi-squared = 1.490 for 55 degrees of freedom # Null hypothesis probability = 1.067910e-02 # Weighting method: standard # !XSPEC12>error 3; # Parameter Confidence Range (2.706) # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:Flux 4:alpha 5:beta 6:epeak #79.3803 89.5583 6 0.110636 -1.66112 -3.59860 54.8174 #================================================== # Variances and Principal Axes # 3 4 5 6 # 9.7922E-05| -0.9997 -0.0250 -0.0000 0.0010 # 3.0290E-01| 0.0250 -0.9997 0.0000 -0.0061 # 1.2349E+03| -0.0011 0.0061 -0.0000 -1.0000 # 1.6455E+16| -0.0000 0.0000 1.0000 -0.0000 #-------------------------------------------------- # #================================================ # Covariance Matrix # 1 2 3 4 # 3.466e-03 -3.141e-02 -5.080e+06 2.545e+00 # -3.141e-02 4.970e-01 4.946e+07 -1.855e+01 # -5.080e+06 4.946e+07 1.646e+16 -3.675e+09 # 2.545e+00 -1.855e+01 -3.675e+09 2.056e+03 #------------------------------------------------ # #======================================================================== #Model cpflux<1>*ngrbep<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cpflux Emin keV 100.000 frozen # 2 1 cpflux Emax keV 150.000 frozen # 3 1 cpflux Flux 0.110636 +/- 5.88704E-02 # 4 2 ngrbep alpha -1.66112 +/- 0.704997 # 5 2 ngrbep beta -3.59860 +/- 1.28278E+08 # 6 2 ngrbep epeak keV 54.8174 +/- 45.3383 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 79.38 using 59 PHA bins. # #Test statistic : Chi-Squared = 79.38 using 59 PHA bins. # Reduced chi-squared = 1.443 for 55 degrees of freedom # Null hypothesis probability = 1.739011e-02 #***Warning: New best fit found, fit parameters will be set to new values. #***Warning: Zero alpha-matrix diagonal element for parameter 5 # Parameter 5 is pegged at -8.86035 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 5 # Parameter 5 is pegged at -8.86035 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:Flux 4:alpha 5:beta 6:epeak #76.7684 79.9512 2 0.114428 -1.66018 -2.84522 54.7826 #76.3629 79.7734 1 0.114732 -1.65186 -2.42727 54.4750 #71.7055 78.4646 0 0.116981 -1.58440 -2.84101 52.0244 #71.3717 61.5678 1 0.117193 -1.57923 -2.77472 51.8639 #68.9545 60.0254 0 0.118817 -1.53956 -2.80229 50.6115 #65.3659 46.8764 0 0.121755 -1.45470 -4.35523 47.3942 #65.3647 5.49868 2 0.121757 -1.45465 -3.40342 47.3926 #================================================== # Variances and Principal Axes # 3 4 5 6 # 6.9434E-05| -0.9985 -0.0552 -0.0000 0.0024 # 2.3738E-01| 0.0552 -0.9985 0.0000 -0.0028 # 1.6285E+02| -0.0025 0.0027 -0.0011 -1.0000 # 5.5000E+07| -0.0000 0.0000 1.0000 -0.0011 #-------------------------------------------------- # #================================================ # Covariance Matrix # 1 2 3 4 # 3.178e-03 -2.539e-02 -2.735e+02 7.025e-01 # -2.539e-02 3.301e-01 2.253e+03 -2.862e+00 # -2.735e+02 2.253e+03 5.500e+07 -5.911e+04 # 7.025e-01 -2.862e+00 -5.911e+04 2.264e+02 #------------------------------------------------ # #======================================================================== #Model cpflux<1>*ngrbep<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cpflux Emin keV 100.000 frozen # 2 1 cpflux Emax keV 150.000 frozen # 3 1 cpflux Flux 0.121757 +/- 5.63749E-02 # 4 2 ngrbep alpha -1.45465 +/- 0.574565 # 5 2 ngrbep beta -3.40342 +/- 7416.19 # 6 2 ngrbep epeak keV 47.3926 +/- 15.0460 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 65.36 using 59 PHA bins. # #Test statistic : Chi-Squared = 65.36 using 59 PHA bins. # Reduced chi-squared = 1.188 for 55 degrees of freedom # Null hypothesis probability = 1.598981e-01 #***Warning: New best fit found, fit parameters will be set to new values. #Apparent non-monotonicity in statistic space detected. #Current bracket values 0.106124, 0.0290204 #and delta stat 0.610973, 95.2322 #but latest trial 0.0996296 gives 0.0381678 #Suggest that you check this result using the steppar command. # 3 0.0675724 0.162876 (-0.0541986,0.041105) # !XSPEC12>error 4; # Parameter Confidence Range (2.706) #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 47.3771 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: -495535, with delta statistic: 2.47748 # # #*** Parameter lower bound is INVALID. # # Warning: renorm - no variable model to allow renormalization # Parameters #Chi-Squared |beta|/N Lvl 3:Flux 4:alpha 5:beta 6:epeak #63.2586 0.0878924 -2 0.0952491 -0.821957 -2.65362 36.1511 #63.2293 11.6699 -3 0.0983409 -0.285400 -2.56976 34.4908 #63.0987 12.7474 -2 0.0946860 -0.648296 -2.67711 36.4923 #63.069 7.4638 -2 0.0955877 -0.308816 -2.63001 34.8798 #63.0587 4.25476 -2 0.0931572 -0.611477 -2.70296 36.4045 #63.0153 4.60846 -1 0.0930321 -0.400469 -2.69100 35.7190 #63.0148 1.12636 -2 0.0925989 -0.496174 -2.70720 36.0032 #================================================== # Variances and Principal Axes # 3 4 5 6 # 3.9180E-05| -0.9973 -0.0001 0.0739 0.0020 # 2.3629E-01| 0.0739 0.0166 0.9955 0.0572 # 5.4220E+01| 0.0020 0.1177 0.0548 -0.9915 # 1.1051E+00| -0.0015 0.9929 -0.0232 0.1166 #-------------------------------------------------- # #================================================ # Covariance Matrix # 1 2 3 4 # 1.557e-03 1.157e-02 2.347e-02 -1.085e-01 # 1.157e-02 1.841e+00 3.284e-01 -6.201e+00 # 2.347e-02 3.284e-01 3.977e-01 -2.937e+00 # -1.085e-01 -6.201e+00 -2.937e+00 5.332e+01 #------------------------------------------------ # #======================================================================== #Model cpflux<1>*ngrbep<2> Source No.: 1 Active/On #Model Model Component Parameter Unit Value # par comp # 1 1 cpflux Emin keV 100.000 frozen # 2 1 cpflux Emax keV 150.000 frozen # 3 1 cpflux Flux 9.25989E-02 +/- 3.94587E-02 # 4 2 ngrbep alpha -0.496174 +/- 1.35682 # 5 2 ngrbep beta -2.70720 +/- 0.630640 # 6 2 ngrbep epeak keV 36.0032 +/- 7.30211 # 7 2 ngrbep enorm keV 50.0000 frozen # 8 2 ngrbep norm 1.00000 frozen #________________________________________________________________________ # # #Fit statistic : Chi-Squared = 63.01 using 59 PHA bins. # #Test statistic : Chi-Squared = 63.01 using 59 PHA bins. # Reduced chi-squared = 1.146 for 55 degrees of freedom # Null hypothesis probability = 2.139442e-01 #***Warning: New best fit found, fit parameters will be set to new values. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 36.0032 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 36.0032 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 36.0032 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 36.0032 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 36.0032 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 36.0032 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #Apparent non-monotonicity in statistic space detected. #Current bracket values -1.61195, -2.72813 #and delta stat 1.70559, 4.82029 #but latest trial -1.93207 gives 33.5992 #Suggest that you check this result using the steppar command. # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: 1.17019e+06, with delta statistic: 0.480839 # # #*** Parameter upper bound is INVALID. # # 4 -2.17004 0 (-1.73173,0.438311) # !XSPEC12>error 5; # Parameter Confidence Range (2.706) # #***Warning: Number of trials exceeded before bracketing of delta fit-stat. #Last attempt: -543898, with delta statistic: 0.506131 # # #*** Parameter lower bound is INVALID. # #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 6 is pegged at 5.17983 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 # Parameter 4 is pegged at -7.27606 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -7.27606 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 5.17983 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -9.3028 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9996.29 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -9.3028 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 9996.29 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -7.91113 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 3.95038 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 #***Warning: Zero alpha-matrix diagonal element for parameter 6 # Parameter 4 is pegged at -7.91113 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. # Parameter 6 is pegged at 3.95038 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #Apparent non-monotonicity in statistic space detected. #Current bracket values -2.07514, -2.07469 #and delta stat 2.69474, 4.84215 #but latest trial -2.07514 gives 4.9868 #Suggest that you check this result using the steppar command. # 5 0 -2.07492 (2.69737,0.622449) # !XSPEC12>error 6; # Parameter Confidence Range (2.706) #***Warning: Zero alpha-matrix diagonal element for parameter 4 # Parameter 4 is pegged at -2.7052 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 # Parameter 4 is pegged at -2.7052 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 # Parameter 4 is pegged at -7.07457 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #***Warning: Zero alpha-matrix diagonal element for parameter 4 # Parameter 4 is pegged at -7.07457 due to zero or negative pivot element, likely # caused by the fit being insensitive to the parameter. #Apparent non-monotonicity in statistic space detected. #Current bracket values 28.9062, 17.8193 #and delta stat 0.646224, 4.82377 #but latest trial 25.0656 gives 0.450824 #Suggest that you check this result using the steppar command. # 6 23.3627 49.0954 (-12.4319,13.3007) # !XSPEC12>log none; #